About Integrated Service Company

Integrated Service Company, LLC, is a trusted leading company in the Refining and Petrochemical industry, and we deliver efficiency and quality in all of our services: Field Services, Construction & Turnaround Services, Manufacturing Services, Tank Services, Tank Inspection Services, and Heater Services.

We hire only the most qualified professionals, and we work with suppliers worldwide to ensure our products are superior, so you can be sure the job will be completed quickly and the work will be top-quality. Our processes are safety-oriented, environmentally sound, and cost-effective. Best of all, we can be on the road in mere hours with the high-quality supplies and skilled professionals to fix any on-site problem.

Check out our services or contact us now if you have a problem that needs fixing.

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Interested in Working for InServ?

When units fail, pipes burst, or tanks spring a leak, our clients look to InServ and our teams of skilled professionals to hit the ground running and fix the problem with speed and efficiency. InServ is always recruiting skilled professionals in the following areas:

Boilermakers

Fitters

Welders

Helpers

Hole/Fire Watch

Our network of job sites spans the country, so you could have job opportunities near you now or in the future regardless of where you live. Working with InServ can also be a great opportunity to travel the country and work with a variety of companies.

If you share our passion for efficiency, quality, and safety, we want you on our team. If you have questions, call 918-879-2660 (InServ) or 918-437-4400 (CTS).

Some of Our Clients:

BP

Calumet

Cenex Harvest States

Citgo

Coffeyville Resources

Flint Hills Resources

Holly Frontier

Husky

Lion Oil

Marathon

NCRA

Phillips 66

InServ News

InServ Field Services has a 24 hour emergency response team to cover the most extensive and demanding projects anywhere in the world. Our success is measured by our clients in the safe completion of work, increased quality and productivity and in providing cost-effective solutions to your greatest maintenance challenges. 🏆